Merge -r 540468:540469 from trunk to 0.13 branch. Fixes: HADOOP-1407.

git-svn-id: https://svn.apache.org/repos/asf/lucene/hadoop/branches/branch-0.13@540473 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -415,6 +415,10 @@ Branch 0.13 (unreleased changes)
      force applications to use "." to name the default directory.
      (Hairong Kuang via cutting)
 
+125. HADOOP-1407.  Fix integer division bug in JobInProgress which
+     meant failed tasks didn't cause the job to fail.
+     (Arun C Murthy via tomwhite)
+
 
 Release 0.12.3 - 2007-04-06
 

src/java/org/apache/hadoop/mapred/JobInProgress.java

@@ -945,8 +945,8 @@ class JobInProgress {
       //
       boolean killJob = 
         tip.isMapTask() ? 
-            (((++failedMapTIPs*100)/numMapTasks) > mapFailuresPercent) :
-            (((++failedReduceTIPs*100)/numReduceTasks) > reduceFailuresPercent);
+            ((++failedMapTIPs*100) > (mapFailuresPercent*numMapTasks)) :
+            ((++failedReduceTIPs*100) > (reduceFailuresPercent*numReduceTasks));
       
       if (killJob) {
         LOG.info("Aborting job " + profile.getJobId());